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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.mapping;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.zip.GZIPInputStream;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import cuchaz.enigma.Util;
import cuchaz.enigma.mapping.SignatureUpdater.ClassNameUpdater;
public class Mappings implements Serializable {
private static final long serialVersionUID = 4649790259460259026L;
protected Map<String,ClassMapping> m_classesByObf;
protected Map<String,ClassMapping> m_classesByDeobf;
public Mappings() {
m_classesByObf = Maps.newHashMap();
m_classesByDeobf = Maps.newHashMap();
}
public Mappings(Iterable<ClassMapping> classes) {
this();
for (ClassMapping classMapping : classes) {
m_classesByObf.put(classMapping.getObfName(), classMapping);
if (classMapping.getDeobfName() != null) {
m_classesByDeobf.put(classMapping.getDeobfName(), classMapping);
}
}
}
public static Mappings newFromResource(String resource) throws IOException {
InputStream in = null;
try {
in = Mappings.class.getResourceAsStream(resource);
return newFromStream(in);
} finally {
Util.closeQuietly(in);
}
}
public Collection<ClassMapping> classes() {
assert (m_classesByObf.size() >= m_classesByDeobf.size());
return m_classesByObf.values();
}
public void addClassMapping(ClassMapping classMapping) {
if (m_classesByObf.containsKey(classMapping.getObfName())) {
throw new Error("Already have mapping for " + classMapping.getObfName());
}
boolean obfWasAdded = m_classesByObf.put(classMapping.getObfName(), classMapping) == null;
assert (obfWasAdded);
if (classMapping.getDeobfName() != null) {
if (m_classesByDeobf.containsKey(classMapping.getDeobfName())) {
throw new Error("Already have mapping for " + classMapping.getDeobfName());
}
boolean deobfWasAdded = m_classesByDeobf.put(classMapping.getDeobfName(), classMapping) == null;
assert (deobfWasAdded);
}
}
public void removeClassMapping(ClassMapping classMapping) {
boolean obfWasRemoved = m_classesByObf.remove(classMapping.getObfName()) != null;
assert (obfWasRemoved);
if (classMapping.getDeobfName() != null) {
boolean deobfWasRemoved = m_classesByDeobf.remove(classMapping.getDeobfName()) != null;
assert (deobfWasRemoved);
}
}
public ClassMapping getClassByObf(ClassEntry entry) {
return getClassByObf(entry.getName());
}
public ClassMapping getClassByObf(String obfName) {
return m_classesByObf.get(obfName);
}
public ClassMapping getClassByDeobf(ClassEntry entry) {
return getClassByDeobf(entry.getName());
}
public ClassMapping getClassByDeobf(String deobfName) {
return m_classesByDeobf.get(deobfName);
}
public Translator getTranslator(TranslationDirection direction) {
switch (direction) {
case Deobfuscating:
return new Translator(direction, m_classesByObf);
case Obfuscating:
// fill in the missing deobf class entries with obf entries
Map<String,ClassMapping> classes = Maps.newHashMap();
for (ClassMapping classMapping : classes()) {
if (classMapping.getDeobfName() != null) {
classes.put(classMapping.getDeobfName(), classMapping);
} else {
classes.put(classMapping.getObfName(), classMapping);
}
}
return new Translator(direction, classes);
default:
throw new Error("Invalid translation direction!");
}
}
public static Mappings newFromStream(InputStream in) throws IOException {
try {
return (Mappings)new ObjectInputStream(new GZIPInputStream(in)).readObject();
} catch (ClassNotFoundException ex) {
throw new Error(ex);
}
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
for (ClassMapping classMapping : m_classesByObf.values()) {
buf.append(classMapping.toString());
buf.append("\n");
}
return buf.toString();
}
public void renameObfClass(String oldObfName, String newObfName) {
for (ClassMapping classMapping : new ArrayList<ClassMapping>(classes())) {
if (classMapping.renameObfClass(oldObfName, newObfName)) {
boolean wasRemoved = m_classesByObf.remove(oldObfName) != null;
assert (wasRemoved);
boolean wasAdded = m_classesByObf.put(newObfName, classMapping) == null;
assert (wasAdded);
}
}
}
public Set<String> getAllObfClassNames() {
final Set<String> classNames = Sets.newHashSet();
for (ClassMapping classMapping : classes()) {
// add the class name
classNames.add(classMapping.getObfName());
// add classes from method signatures
for (MethodMapping methodMapping : classMapping.methods()) {
SignatureUpdater.update(methodMapping.getObfSignature(), new ClassNameUpdater() {
@Override
public String update(String className) {
classNames.add(className);
return className;
}
});
}
}
return classNames;
}
public boolean containsDeobfClass(String deobfName) {
return m_classesByDeobf.containsKey(deobfName);
}
public boolean containsDeobfField(ClassEntry obfClassEntry, String deobfName) {
ClassMapping classMapping = m_classesByObf.get(obfClassEntry.getName());
if (classMapping != null) {
return classMapping.containsDeobfField(deobfName);
}
return false;
}
public boolean containsDeobfMethod(ClassEntry obfClassEntry, String deobfName, String deobfSignature) {
ClassMapping classMapping = m_classesByObf.get(obfClassEntry.getName());
if (classMapping != null) {
return classMapping.containsDeobfMethod(deobfName, deobfSignature);
}
return false;
}
public boolean containsArgument(BehaviorEntry obfBehaviorEntry, String name) {
ClassMapping classMapping = m_classesByObf.get(obfBehaviorEntry.getClassName());
if (classMapping != null) {
return classMapping.containsArgument(obfBehaviorEntry, name);
}
return false;
}
}
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